1)size from2.5"-12", diameter:5-22MM 2)suit for 30-150CM christmas tree 3)green color 4)three screw fixed we can supply kinds of Christmas treestand, plastic and iron.the size are 2.5" to 12",30cm,40cm,45cm,50cm,55cm,60cm, the center hole diameter are 3-22mm,19mm,22mm,32mm.and we can make any size of the stands according to your request. christmas treestand